CVE-2021-43893
7.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.0 < 10.0.17763.2366 | affected |
| Microsoft | Windows Server 2019 | 10.0.0 < 10.0.17763.2366 | affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 < 10.0.17763.2366 | affected |
| Microsoft | Windows 10 Version 1909 | 10.0.0 < 10.0.18363.1977 | affected |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 < 10.0.19043.1415 | affected |
| Microsoft | Windows Server 2022 | 10.0.0 < 10.0.20348.405 | affected |
| Microsoft | Windows 10 Version 2004 | 10.0.0 < 10.0.19041.1415 | affected |
| Microsoft | Windows Server version 2004 | 10.0.0 < 10.0.19041.1415 | affected |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 < 10.0.19042.1415 | affected |
| Microsoft | Windows Server version 20H2 | 10.0.0 < 10.0.19042.1415 | affected |
| Microsoft | Windows 11 version 21H2 | 10.0.0 < 10.0.22000.376 | affected |
| Microsoft | Windows 10 Version 21H2 | 10.0.0 < 10.0.19044.1415 | affected |
| Microsoft | Windows 10 Version 1507 | 10.0.0 < 10.0.10240.19145 | affected |
| Microsoft | Windows 10 Version 1607 | 10.0.0 < 10.0.14393.4825 | affected |
| Microsoft | Windows Server 2016 | 10.0.0 < 10.0.14393.4825 | affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.0 < 10.0.14393.4825 | affected |
| Microsoft | Windows 7 | 6.1.0 < 6.1.7601.25796 | affected |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 < 6.1.7601.25796 | affected |
| Microsoft | Windows 8.1 | 6.3.0 < 6.3.9600.20207 | affected |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.0 < 6.0.6003.21309 | affected |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.0 < 6.0.6003.21309 | affected |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.0 < 6.0.6003.21309 | affected |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.0 < 6.1.7601.25796 | affected |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.0.0 < 6.1.7601.25796 | affected |
| Microsoft | Windows Server 2012 | 6.2.0 < 6.2.9200.23545 | affected |
| Microsoft | Windows Server 2012 | 6.2.0 < 6.2.9200.23540 | affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.0 < 6.2.9200.23545 | affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.0 < 6.2.9200.23540 | affected |
| Microsoft | Windows Server 2012 R2 | 6.3.0 < 6.3.9600.20207 | affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.0 < 6.3.9600.20207 | affected |
Weaknesses
- Elevation of Privilege
ADP Enrichment
CVE Program Container
Additional References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43893
- http://packetstormsecurity.com/files/165560/Microsoft-Windows-EFSRPC-Arbitrary-File-Upload-Privilege-Escalation.html
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43893
- http://packetstormsecurity.com/files/165560/Microsoft-Windows-EFSRPC-Arbitrary-File-Upload-Privilege-Escalation.html
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